diff --git a/Dockerfile b/Dockerfile
index 88819ae..1f514eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,7 @@ RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selectio
         apt-transport-https \
         build-essential \
         ca-certificates \
+        gpg-agent \
         curl \
         g++ \
         gcc \